Vibrant Performance's 3-bolt titanium flange, with an I.D. of 3.50", has been a top choice for enhancing the performance of various vehicles since its founding in 1997. As a division of Vibrant Power Inc., we started out producing induction/exhaust parts for the emerging sport compact industry and have since expanded to partner with other industry leaders in both OE and aftermarket products. Our continued innovation and expertise make Vibrant Performance the go-to for maximum vehicle performance in muscle cars, hot rods, trucks, imports, and race cars.